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8.8 avg / 10

San Marino Unified School District

School District · San Marino, California

Students: 2,933
Teachers (FTE): 140

Avg Rating

8.8

out of 10

Schools

4

2 elem, 1 mid, 1 high

Per-Pupil Spending

$16,969

Student-Teacher Ratio

20.9:1

District shortlistschools + peers

Evaluating San Marino Unified?

A district shares budget, policy, and attendance zones across its schools — use this page to judge San Marino Unified as a whole, then compare how its individual schools differ.

Shortlist starter

Start with these real page-level signals, then use the full table and map below.

Valentine Elementary

9.3/10

San Marino · Elementary. Compare this profile against district averages, level fit, and attendance-zone reality below.

Carver Elementary

9.2/10

San Marino · Elementary. Compare this profile against district averages, level fit, and attendance-zone reality below.

San Marino High

9.0/10

San Marino · High. Compare this profile against district averages, level fit, and attendance-zone reality below.

How this district compares

California rank

#18 of 713

districts by avg. composite

Vs. state average

+2.6

above California avg

Per-pupil spending

$16,969

$678 vs California median

District size

2,933 students

Typical than California median

The short answer

San Marino Unified ranks #18 of 713 California districts by overall school rating. San Marino Unified's schools with real test data average 8.8/10 across 4 schools. Its top-rated schools are Valentine Elementary (9.3/10), Carver Elementary (9.2/10), and San Marino High (9.0/10). Schools with estimated (proxy) scores are excluded from this ranking.

Most improved · 2022 → 2024
Carver Elementary

STAAR proficiency rose +4.4 points from 2022 to 2024. That's the biggest jump among San Marino Unified schools across the two most recent comparable testing years.

Top-Rated Schools in San Marino Unified

Ranked by MySchoolScout composite rating using only schools with real test data (4 of 4). "Value" = points above what student poverty predicts. Estimated (proxy) scores are excluded.

# School Rating
1 Valentine Elementary 9.3 / 10
2 Carver Elementary 9.2 / 10
3 San Marino High 9.0 / 10
4 Huntington Middle 7.8 / 10

See all 4 schools — including those with estimated data — in the full directory below. How we rate schools.

About San Marino Unified

San Marino Unified is a San Marino, California school district serving 4 schools. The district educates 2,933 students with a student-teacher ratio of 20.9:1. The district invests $16,969 per student annually.

With an average rating of 8.8/10, San Marino Unified is among the strongest-performing districts in the state.

The highest-rated school in the district is Valentine Elementary, which has a composite score of 9.3/10.

In standardized testing, San Marino Unified students show an average math proficiency of 87.7% and ELA proficiency of 88.0%.

The district includes 2 elementary schools , 1 middle school , and 1 high school.

District Map

Schools in San Marino Unified, colored by MySchoolScout rank. Click a pin for details.

District Average Test Scores

Math Proficiency 87.7%
School
State
N/A
ELA Proficiency 88.0%
School
State
N/A

Average proficiency across all schools in San Marino Unified with test data.

Schools in San Marino Unified

4 schools

District Details

City
San Marino
Total Enrollment
2,933
Teachers (FTE)
140
Child Poverty Rate
0.1%
Data Year
2023

Frequently Asked Questions

How many schools are in San Marino Unified?

San Marino Unified has 4 schools in total — 2 elementary, 1 middle, and 1 high schools. You can explore each school's ratings and details on this page.

What is the average rating for San Marino Unified?

The average composite rating for San Marino Unified is 8.8/10. This score is calculated from the individual ratings of all schools with academic data in the district.

What is the per-pupil spending in San Marino Unified?

San Marino Unified spends $16,969 per student per year.

What is the student-teacher ratio in San Marino Unified?

The average student-teacher ratio in San Marino Unified is 20.9:1.

What is the top-rated school in San Marino Unified?

Valentine Elementary is the highest-rated school in San Marino Unified with a composite score of 9.3/10.

What are the test scores in San Marino Unified?

Across schools in San Marino Unified with test data, the average math proficiency is 87.7% and the average ELA (reading/writing) proficiency is 88.0%. These figures represent the percentage of students meeting or exceeding grade-level standards.

How does San Marino Unified compare to other districts in California?

San Marino Unified has an average school rating of 8.8/10 across 4 schools. Families can compare this to other districts in California by visiting individual district pages. Factors like school size, available programs, and community demographics also play a role in choosing the right fit.

How does MySchoolScout rate schools?

MySchoolScout ratings blend student growth, poverty-adjusted academic performance, and learning environment — plus college readiness for high schools. Weights vary by school level, and equity data is shown for context without being factored into the score. Learn more about our rating system on our methodology page.

District Averages

Overall Rating
8.8/10
Math Proficiency
87.7%
ELA Proficiency
88.0%

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

Data from NCES Common Core of Data, California Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.

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